diff --git a/opcode_spec.c b/opcode_spec.c
index 1f1bd55..1cb8bf0 100644
--- a/opcode_spec.c
+++ b/opcode_spec.c
@@ -19,6 +19,11 @@ zend_uchar xc_get_opcode_spec_count()
 
 const xc_opcode_spec_t *xc_get_opcode_spec(zend_uchar opcode)
 {
+#ifndef NDEBUG
+	if (xc_get_opcode_count() != xc_get_opcode_spec_count()) {
+		fprintf(stderr, "count mismatch: xc_get_opcode_count=%d, xc_get_opcode_spec_count=%d\n", xc_get_opcode_count(), xc_get_opcode_spec_count());
+	}
+#endif
 	assert(xc_get_opcode_count() == xc_get_opcode_spec_count());
 	assert(opcode < xc_get_opcode_spec_count());
 	return &xc_opcode_spec[opcode];
diff --git a/opcode_spec_def.h b/opcode_spec_def.h
index bd7b7c8..cd8d134 100644
--- a/opcode_spec_def.h
+++ b/opcode_spec_def.h
@@ -232,5 +232,12 @@ static const xc_opcode_spec_t xc_opcode_spec[] = {
 	OPSPEC(    UNUSED,     UNUSED,     UNUSED,     UNUSED) /* 152 UNDEF                          */
 	OPSPEC(    UNUSED,     UNUSED,     UNUSED,     UNUSED) /* 153 UNDEF                          */
 # endif
+#else
+	OPSPEC(    UNUSED,     UNUSED,     UNUSED,     UNUSED) /* 107 UNDEF                          */
+	OPSPEC(    UNUSED,     UNUSED,     UNUSED,     UNUSED) /* 108 UNDEF                          */
+	OPSPEC(    UNUSED,     UNUSED,     UNUSED,     UNUSED) /* 109 UNDEF                          */
+	OPSPEC(     FCALL,        STD,     OPLINE,        VAR) /* 61 DO_FCALL_BY_FUNC                */
+	OPSPEC(INIT_FCALL,        STD,        STD,     UNUSED) /* 111 INIT_FCALL_BY_FUNC             */
+	OPSPEC(    UNUSED,     UNUSED,     UNUSED,     UNUSED) /* 112 UNDEF                          */
 #endif
 };